Building the main Guest Additions 6.1.10 module for kernel 5.8.0-20-generic. Error building the module. Build output follows. make V=1 CONFIG_MODULE_SIG= CONFIG_MODULE_SIG_ALL= -C /lib/modules/5.8.0-20-generic/build M=/tmp/vbox.0 SRCROOT=/tmp/vbox.0 -j2 modules make[1]: warning: -j2 forced in submake: resetting jobserver mode. test -e include/generated/autoconf.h -a -e include/config/auto.conf || ( \ echo >&2; \ echo >&2 " ERROR: Kernel configuration is invalid."; \ echo >&2 " include/generated/autoconf.h or include/config/auto.conf are missing.";\ echo >&2 " Run 'make oldconfig && make prepare' on kernel src to fix it."; \ echo >&2 ; \ /bin/false) make -f ./scripts/Makefile.build obj=/tmp/vbox.0 \ single-build= \ need-builtin=1 need-modorder=1 gcc -Wp,-MMD,/tmp/vbox.0/.VBoxGuest-linux.o.d -nostdinc -isystem /usr/lib/gcc/x86_64-linux-gnu/10/include -I./arch/x86/include -I./arch/x86/include/generated -I./include -I./arch/x86/include/uapi -I./arch/x86/include/generated/uapi -I./include/uapi -I./include/generated/uapi -include ./include/linux/kconfig.h -Iubuntu/include -include ./include/linux/compiler_types.h -D__KERNEL__ -Wall -Wundef -Werror=strict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -fshort-wchar -fno-PIE -Werror=implicit-function-declaration -Werror=implicit-int -Wno-format-security -std=gnu89 -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -m64 -falign-jumps=1 -falign-loops=1 -mno-80387 -mno-fp-ret-in-387 -mpreferred-stack-boundary=3 -mskip-rax-setup -mtune=generic -mno-red-zone -mcmodel=kernel -DCONFIG_X86_X32_ABI -Wno-sign-compare -fno-asynchronous-unwind-tables -mindirect-branch=thunk-extern -mindirect-branch-register -fno-jump-tables -fno-delete-null-pointer-checks -Wno-frame-address -Wno-format-truncation -Wno-format-overflow -Wno-address-of-packed-member -O2 -fno-allow-store-data-races -Wframe-larger-than=1024 -fstack-protector-strong -Wno-unused-but-set-variable -Wimplicit-fallthrough -Wno-unused-const-variable -fno-omit-frame-pointer -fno-optimize-sibling-calls -fno-var-tracking-assignments -pg -mrecord-mcount -mfentry -DCC_USING_FENTRY -Wdeclaration-after-statement -Wvla -Wno-pointer-sign -Wno-stringop-truncation -Wno-zero-length-bounds -Wno-array-bounds -Wno-stringop-overflow -Wno-restrict -Wno-maybe-uninitialized -fno-strict-overflow -fno-merge-all-constants -fmerge-constants -fno-stack-check -fconserve-stack -Werror=date-time -Werror=incompatible-pointer-types -Werror=designated-init -fmacro-prefix-map=./= -fcf-protection=none -Wno-packed-not-aligned -Wno-declaration-after-statement -fno-pie -include /tmp/vbox.0/include/VBox/VBoxGuestMangling.h -I./include -I/tmp/vbox.0/ -I/tmp/vbox.0/include -I/tmp/vbox.0/r0drv/linux -D__KERNEL__ -DMODULE -DRT_WITHOUT_PRAGMA_ONCE -DVBOX -DRT_OS_LINUX -DIN_RING0 -DIN_RT_R0 -DIN_GUEST -DIN_GUEST_R0 -DIN_MODULE -DRT_WITH_VBOX -DVBGL_VBOXGUEST -DVBOX_WITH_HGCM -DVBOX_WITH_64_BITS_GUESTS -DRT_ARCH_AMD64 -DMODULE -DKBUILD_BASENAME='"VBoxGuest_linux"' -DKBUILD_MODNAME='"vboxguest"' -c -o /tmp/vbox.0/VBoxGuest-linux.o /tmp/vbox.0/VBoxGuest-linux.c gcc -Wp,-MMD,/tmp/vbox.0/.VBoxGuest.o.d -nostdinc -isystem /usr/lib/gcc/x86_64-linux-gnu/10/include -I./arch/x86/include -I./arch/x86/include/generated -I./include -I./arch/x86/include/uapi -I./arch/x86/include/generated/uapi -I./include/uapi -I./include/generated/uapi -include ./include/linux/kconfig.h -Iubuntu/include -include ./include/linux/compiler_types.h -D__KERNEL__ -Wall -Wundef -Werror=strict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -fshort-wchar -fno-PIE -Werror=implicit-function-declaration -Werror=implicit-int -Wno-format-security -std=gnu89 -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -m64 -falign-jumps=1 -falign-loops=1 -mno-80387 -mno-fp-ret-in-387 -mpreferred-stack-boundary=3 -mskip-rax-setup -mtune=generic -mno-red-zone -mcmodel=kernel -DCONFIG_X86_X32_ABI -Wno-sign-compare -fno-asynchronous-unwind-tables -mindirect-branch=thunk-extern -mindirect-branch-register -fno-jump-tables -fno-delete-null-pointer-checks -Wno-frame-address -Wno-format-truncation -Wno-format-overflow -Wno-address-of-packed-member -O2 -fno-allow-store-data-races -Wframe-larger-than=1024 -fstack-protector-strong -Wno-unused-but-set-variable -Wimplicit-fallthrough -Wno-unused-const-variable -fno-omit-frame-pointer -fno-optimize-sibling-calls -fno-var-tracking-assignments -pg -mrecord-mcount -mfentry -DCC_USING_FENTRY -Wdeclaration-after-statement -Wvla -Wno-pointer-sign -Wno-stringop-truncation -Wno-zero-length-bounds -Wno-array-bounds -Wno-stringop-overflow -Wno-restrict -Wno-maybe-uninitialized -fno-strict-overflow -fno-merge-all-constants -fmerge-constants -fno-stack-check -fconserve-stack -Werror=date-time -Werror=incompatible-pointer-types -Werror=designated-init -fmacro-prefix-map=./= -fcf-protection=none -Wno-packed-not-aligned -Wno-declaration-after-statement -fno-pie -include /tmp/vbox.0/include/VBox/VBoxGuestMangling.h -I./include -I/tmp/vbox.0/ -I/tmp/vbox.0/include -I/tmp/vbox.0/r0drv/linux -D__KERNEL__ -DMODULE -DRT_WITHOUT_PRAGMA_ONCE -DVBOX -DRT_OS_LINUX -DIN_RING0 -DIN_RT_R0 -DIN_GUEST -DIN_GUEST_R0 -DIN_MODULE -DRT_WITH_VBOX -DVBGL_VBOXGUEST -DVBOX_WITH_HGCM -DVBOX_WITH_64_BITS_GUESTS -DRT_ARCH_AMD64 -DMODULE -DKBUILD_BASENAME='"VBoxGuest"' -DKBUILD_MODNAME='"vboxguest"' -c -o /tmp/vbox.0/VBoxGuest.o /tmp/vbox.0/VBoxGuest.c gcc -Wp,-MMD,/tmp/vbox.0/common/string/.strformatrt.o.d -nostdinc -isystem /usr/lib/gcc/x86_64-linux-gnu/10/include -I./arch/x86/include -I./arch/x86/include/generated -I./include -I./arch/x86/include/uapi -I./arch/x86/include/generated/uapi -I./include/uapi -I./include/generated/uapi -include ./include/linux/kconfig.h -Iubuntu/include -include ./include/linux/compiler_types.h -D__KERNEL__ -Wall -Wundef -Werror=strict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -fshort-wchar -fno-PIE -Werror=implicit-function-declaration -Werror=implicit-int -Wno-format-security -std=gnu89 -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -m64 -falign-jumps=1 -falign-loops=1 -mno-80387 -mno-fp-ret-in-387 -mpreferred-stack-boundary=3 -mskip-rax-setup -mtune=generic -mno-red-zone -mcmodel=kernel -DCONFIG_X86_X32_ABI -Wno-sign-compare -fno-asynchronous-unwind-tables -mindirect-branch=thunk-extern -mindirect-branch-register -fno-jump-tables -fno-delete-null-pointer-checks -Wno-frame-address -Wno-format-truncation -Wno-format-overflow -Wno-address-of-packed-member -O2 -fno-allow-store-data-races -Wframe-larger-than=1024 -fstack-protector-strong -Wno-unused-but-set-variable -Wimplicit-fallthrough -Wno-unused-const-variable -fno-omit-frame-pointer -fno-optimize-sibling-calls -fno-var-tracking-assignments -pg -mrecord-mcount -mfentry -DCC_USING_FENTRY -Wdeclaration-after-statement -Wvla -Wno-pointer-sign -Wno-stringop-truncation -Wno-zero-length-bounds -Wno-array-bounds -Wno-stringop-overflow -Wno-restrict -Wno-maybe-uninitialized -fno-strict-overflow -fno-merge-all-constants -fmerge-constants -fno-stack-check -fconserve-stack -Werror=date-time -Werror=incompatible-pointer-types -Werror=designated-init -fmacro-prefix-map=./= -fcf-protection=none -Wno-packed-not-aligned -Wno-declaration-after-statement -fno-pie -include /tmp/vbox.0/include/VBox/VBoxGuestMangling.h -I./include -I/tmp/vbox.0/ -I/tmp/vbox.0/include -I/tmp/vbox.0/r0drv/linux -D__KERNEL__ -DMODULE -DRT_WITHOUT_PRAGMA_ONCE -DVBOX -DRT_OS_LINUX -DIN_RING0 -DIN_RT_R0 -DIN_GUEST -DIN_GUEST_R0 -DIN_MODULE -DRT_WITH_VBOX -DVBGL_VBOXGUEST -DVBOX_WITH_HGCM -DVBOX_WITH_64_BITS_GUESTS -DRT_ARCH_AMD64 -DMODULE -DKBUILD_BASENAME='"strformatrt"' -DKBUILD_MODNAME='"vboxguest"' -c -o /tmp/vbox.0/common/string/strformatrt.o /tmp/vbox.0/common/string/strformatrt.c gcc -Wp,-MMD,/tmp/vbox.0/.combined-agnostic.o.d -nostdinc -isystem /usr/lib/gcc/x86_64-linux-gnu/10/include -I./arch/x86/include -I./arch/x86/include/generated -I./include -I./arch/x86/include/uapi -I./arch/x86/include/generated/uapi -I./include/uapi -I./include/generated/uapi -include ./include/linux/kconfig.h -Iubuntu/include -include ./include/linux/compiler_types.h -D__KERNEL__ -Wall -Wundef -Werror=strict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -fshort-wchar -fno-PIE -Werror=implicit-function-declaration -Werror=implicit-int -Wno-format-security -std=gnu89 -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -m64 -falign-jumps=1 -falign-loops=1 -mno-80387 -mno-fp-ret-in-387 -mpreferred-stack-boundary=3 -mskip-rax-setup -mtune=generic -mno-red-zone -mcmodel=kernel -DCONFIG_X86_X32_ABI -Wno-sign-compare -fno-asynchronous-unwind-tables -mindirect-branch=thunk-extern -mindirect-branch-register -fno-jump-tables -fno-delete-null-pointer-checks -Wno-frame-address -Wno-format-truncation -Wno-format-overflow -Wno-address-of-packed-member -O2 -fno-allow-store-data-races -Wframe-larger-than=1024 -fstack-protector-strong -Wno-unused-but-set-variable -Wimplicit-fallthrough -Wno-unused-const-variable -fno-omit-frame-pointer -fno-optimize-sibling-calls -fno-var-tracking-assignments -pg -mrecord-mcount -mfentry -DCC_USING_FENTRY -Wdeclaration-after-statement -Wvla -Wno-pointer-sign -Wno-stringop-truncation -Wno-zero-length-bounds -Wno-array-bounds -Wno-stringop-overflow -Wno-restrict -Wno-maybe-uninitialized -fno-strict-overflow -fno-merge-all-constants -fmerge-constants -fno-stack-check -fconserve-stack -Werror=date-time -Werror=incompatible-pointer-types -Werror=designated-init -fmacro-prefix-map=./= -fcf-protection=none -Wno-packed-not-aligned -Wno-declaration-after-statement -fno-pie -include /tmp/vbox.0/include/VBox/VBoxGuestMangling.h -I./include -I/tmp/vbox.0/ -I/tmp/vbox.0/include -I/tmp/vbox.0/r0drv/linux -D__KERNEL__ -DMODULE -DRT_WITHOUT_PRAGMA_ONCE -DVBOX -DRT_OS_LINUX -DIN_RING0 -DIN_RT_R0 -DIN_GUEST -DIN_GUEST_R0 -DIN_MODULE -DRT_WITH_VBOX -DVBGL_VBOXGUEST -DVBOX_WITH_HGCM -DVBOX_WITH_64_BITS_GUESTS -DRT_ARCH_AMD64 -DMODULE -DKBUILD_BASENAME='"combined_agnostic"' -DKBUILD_MODNAME='"vboxguest"' -c -o /tmp/vbox.0/combined-agnostic.o /tmp/vbox.0/combined-agnostic.c gcc -Wp,-MMD,/tmp/vbox.0/.combined-os-specific.o.d -nostdinc -isystem /usr/lib/gcc/x86_64-linux-gnu/10/include -I./arch/x86/include -I./arch/x86/include/generated -I./include -I./arch/x86/include/uapi -I./arch/x86/include/generated/uapi -I./include/uapi -I./include/generated/uapi -include ./include/linux/kconfig.h -Iubuntu/include -include ./include/linux/compiler_types.h -D__KERNEL__ -Wall -Wundef -Werror=strict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -fshort-wchar -fno-PIE -Werror=implicit-function-declaration -Werror=implicit-int -Wno-format-security -std=gnu89 -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -m64 -falign-jumps=1 -falign-loops=1 -mno-80387 -mno-fp-ret-in-387 -mpreferred-stack-boundary=3 -mskip-rax-setup -mtune=generic -mno-red-zone -mcmodel=kernel -DCONFIG_X86_X32_ABI -Wno-sign-compare -fno-asynchronous-unwind-tables -mindirect-branch=thunk-extern -mindirect-branch-register -fno-jump-tables -fno-delete-null-pointer-checks -Wno-frame-address -Wno-format-truncation -Wno-format-overflow -Wno-address-of-packed-member -O2 -fno-allow-store-data-races -Wframe-larger-than=1024 -fstack-protector-strong -Wno-unused-but-set-variable -Wimplicit-fallthrough -Wno-unused-const-variable -fno-omit-frame-pointer -fno-optimize-sibling-calls -fno-var-tracking-assignments -pg -mrecord-mcount -mfentry -DCC_USING_FENTRY -Wdeclaration-after-statement -Wvla -Wno-pointer-sign -Wno-stringop-truncation -Wno-zero-length-bounds -Wno-array-bounds -Wno-stringop-overflow -Wno-restrict -Wno-maybe-uninitialized -fno-strict-overflow -fno-merge-all-constants -fmerge-constants -fno-stack-check -fconserve-stack -Werror=date-time -Werror=incompatible-pointer-types -Werror=designated-init -fmacro-prefix-map=./= -fcf-protection=none -Wno-packed-not-aligned -Wno-declaration-after-statement -fno-pie -include /tmp/vbox.0/include/VBox/VBoxGuestMangling.h -I./include -I/tmp/vbox.0/ -I/tmp/vbox.0/include -I/tmp/vbox.0/r0drv/linux -D__KERNEL__ -DMODULE -DRT_WITHOUT_PRAGMA_ONCE -DVBOX -DRT_OS_LINUX -DIN_RING0 -DIN_RT_R0 -DIN_GUEST -DIN_GUEST_R0 -DIN_MODULE -DRT_WITH_VBOX -DVBGL_VBOXGUEST -DVBOX_WITH_HGCM -DVBOX_WITH_64_BITS_GUESTS -DRT_ARCH_AMD64 -DMODULE -DKBUILD_BASENAME='"combined_os_specific"' -DKBUILD_MODNAME='"vboxguest"' -c -o /tmp/vbox.0/combined-os-specific.o /tmp/vbox.0/combined-os-specific.c In file included from /tmp/vbox.0/combined-os-specific.c:30: /tmp/vbox.0/r0drv/linux/alloc-r0drv-linux.c: In function ‘rtR0MemAllocExecVmArea’: /tmp/vbox.0/r0drv/linux/alloc-r0drv-linux.c:171:15: error: implicit declaration of function ‘__get_vm_area’; did you mean ‘get_vm_area’? [-Werror=implicit-function-declaration] 171 | pVmArea = __get_vm_area(cbAlloc, VM_ALLOC, MODULES_VADDR, MODULES_END); | ^~~~~~~~~~~~~ | get_vm_area /tmp/vbox.0/r0drv/linux/alloc-r0drv-linux.c:171:13: warning: assignment to ‘struct vm_struct *’ from ‘int’ makes pointer from integer without a cast [-Wint-conversion] 171 | pVmArea = __get_vm_area(cbAlloc, VM_ALLOC, MODULES_VADDR, MODULES_END); | ^ /tmp/vbox.0/r0drv/linux/alloc-r0drv-linux.c:204:14: error: implicit declaration of function ‘map_vm_area’; did you mean ‘get_vm_area’? [-Werror=implicit-function-declaration] 204 | if (!map_vm_area(pVmArea, PAGE_KERNEL_EXEC, | ^~~~~~~~~~~ | get_vm_area In file included from /tmp/vbox.0/combined-os-specific.c:33: /tmp/vbox.0/r0drv/linux/memobj-r0drv-linux.c: In function ‘rtR0MemObjNativeFree’: /tmp/vbox.0/r0drv/linux/memobj-r0drv-linux.c:596:43: error: ‘struct mm_struct’ has no member named ‘mmap_sem’; did you mean ‘mmap_base’? 596 | down_read(&pTask->mm->mmap_sem); | ^~~~~~~~ | mmap_base /tmp/vbox.0/r0drv/linux/memobj-r0drv-linux.c:611:41: error: ‘struct mm_struct’ has no member named ‘mmap_sem’; did you mean ‘mmap_base’? 611 | up_read(&pTask->mm->mmap_sem); | ^~~~~~~~ | mmap_base /tmp/vbox.0/r0drv/linux/memobj-r0drv-linux.c: In function ‘rtR0MemObjNativeLockUser’: /tmp/vbox.0/r0drv/linux/memobj-r0drv-linux.c:1079:31: error: ‘struct mm_struct’ has no member named ‘mmap_sem’; did you mean ‘mmap_base’? 1079 | down_read(&pTask->mm->mmap_sem); | ^~~~~~~~ | mmap_base /tmp/vbox.0/r0drv/linux/memobj-r0drv-linux.c:1165:33: error: ‘struct mm_struct’ has no member named ‘mmap_sem’; did you mean ‘mmap_base’? 1165 | up_read(&pTask->mm->mmap_sem); | ^~~~~~~~ | mmap_base /tmp/vbox.0/r0drv/linux/memobj-r0drv-linux.c:1192:29: error: ‘struct mm_struct’ has no member named ‘mmap_sem’; did you mean ‘mmap_base’? 1192 | up_read(&pTask->mm->mmap_sem); | ^~~~~~~~ | mmap_base /tmp/vbox.0/r0drv/linux/memobj-r0drv-linux.c: In function ‘rtR0MemObjNativeMapUser’: /tmp/vbox.0/r0drv/linux/memobj-r0drv-linux.c:1607:36: error: ‘struct mm_struct’ has no member named ‘mmap_sem’; did you mean ‘mmap_base’? 1607 | down_write(&pTask->mm->mmap_sem); | ^~~~~~~~ | mmap_base /tmp/vbox.0/r0drv/linux/memobj-r0drv-linux.c:1724:34: error: ‘struct mm_struct’ has no member named ‘mmap_sem’; did you mean ‘mmap_base’? 1724 | up_write(&pTask->mm->mmap_sem); | ^~~~~~~~ | mmap_base cc1: some warnings being treated as errors make[2]: *** [scripts/Makefile.build:290: /tmp/vbox.0/combined-os-specific.o] Error 1 make[2]: *** Waiting for unfinished jobs.... make[1]: *** [Makefile:1780: /tmp/vbox.0] Error 2 make: *** [/tmp/vbox.0/Makefile-footer.gmk:114: vboxguest] Error 2 Could not find the X.Org or XFree86 Window System, skipping.